<?php
/**
 * Smarty shared plugin
 *
 * @package Smarty
 * @subpackage PluginsShared
 */
if (!function_exists('smarty_mb_str_replace')) {

	/**
	 * Multibyte string replace
	 *
	 * @param string $search  the string to be searched
	 * @param string $replace the replacement string
	 * @param string $subject the source string
	 * @param int    &$count  number of matches found
	 * @return string replaced string
	 * @author Rodney Rehm
	 */
	function smarty_mb_str_replace($search, $replace, $subject, &$count=0)
	{
		if (!is_array($search) && is_array($replace)) {
			return false;
		}
		if (is_array($subject)) {
			// call mb_replace for each single string in $subject
			foreach ($subject as &$string) {
				$string = &smarty_mb_str_replace($search, $replace, $string, $c);
				$count += $c;
			}
		} elseif (is_array($search)) {
			if (!is_array($replace)) {
				foreach ($search as &$string) {
					$subject = smarty_mb_str_replace($string, $replace, $subject, $c);
					$count += $c;
				}
			} else {
				$n = max(count($search), count($replace));
				while ($n--) {
					$subject = smarty_mb_str_replace(current($search), current($replace), $subject, $c);
					$count += $c;
					next($search);
					next($replace);
				}
			}
		} else {
			$parts = mb_split(preg_quote($search), $subject);
			$count = count($parts) - 1;
			$subject = implode($replace, $parts);
		}
		return $subject;
	}

}
?>